「运词」名词性抽象词能使文字感觉更上一层楼。曾和大家分享过involvement一词，有牵连，参于等含义。今天又见一例：优等生学术成功的背后总会有父母的功劳，媒体称这些父母为A+ Parent。The most consistent indicators of student achievement are the home environment and parental involvement.
